[1]张望喜,王雄,张瑾熠,等.带现浇楼板RC框架结构抗震性能的多因素影响分析[J].地震工程与工程振动,2018,(01):077-88.[doi:10.13197/j.eeev.2018.01.77.zhangwx.009]
 ZHANG Wangxi,WANG Xiong,ZHANG Jinyi,et al.Multifactor influence analysis of seismic performance of RC frame structure with cast-in-site floor[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(01):077-88.[doi:10.13197/j.eeev.2018.01.77.zhangwx.009]
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带现浇楼板RC框架结构抗震性能的多因素影响分析
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年01期
页码:
077-88
栏目:
论文
出版日期:
2018-06-30

文章信息/Info

Title:
Multifactor influence analysis of seismic performance of RC frame structure with cast-in-site floor
作者:
张望喜12 王雄1 张瑾熠3 史佳佳1 卫永涛1
1. 湖南大学 土木工程学院, 湖南 长沙 410012;
2. 湖南大学 工程结构损伤诊断湖南省重点实验室, 湖南 长沙 410012;
3. 湖南科技大学 土木工程学院, 湖南 湘潭 411201
Author(s):
ZHANG Wangxi12 WANG Xiong1 ZHANG Jinyi3 SHI Jiajia1 WEI Yongtao1
1. Civil Engineering College of Hunan University, Changsha 410012, China;
2. Hunan Provincial Key Lab on Diangnosis for Engineering Structures of Hunan University, Changsha 410012, China;
3. School of Civil Engineering of Hunan University of Science and Technology, Xiangtan 411201, China
关键词:
现浇楼板影响因素pushover分析时程分析抗震性能
Keywords:
cast-in-site floormultifactorpushover analysisdynamic time-historical analysisseismic performance
分类号:
TU352
DOI:
10.13197/j.eeev.2018.01.77.zhangwx.009
摘要:
采用pushover和非线性动力时程分析方法,分析了多因素下带楼板框架和不带楼板框架的抗震性能,并研究了在双向地震作用下框架结构的性能及需求。建立两组模型并完成对比分析,结果表明:考虑楼板的框架结构在不同轴压比及柱端弯矩增大系数作用下抗震性能会降低;在单向地震作用下可实现结构的"强柱弱梁"屈服机制;斜向地震作用下带楼板的框架结构,在轴压比取值高于0.56或者柱端弯矩增大系数高于2.0时,才能形成"强柱弱梁"屈服机制;斜向地震作用下用空间带楼板框架模型考虑结构体系的空间抗震机制更加合适。
Abstract:
Pushover and nonlinear dynamic analysis method are applied to analyze the seismic performance of RC frame structure with or without considering the cast-in-site floor together with multiple factors in this thesis. Meanwhile, the structural response exerted by bidirectional seismic action is summarized from the theoretical formula derivation. By analyzing and comparing two kinds of established models, the results demonstrate that with various axial compression ratios and moment magnifying factors of columns, the seismic performance of the structure will be degraded when the influence of the cast-in-site floor is taken into account. The increment of the values of axial compression ratios and moment magnifying factors with the floor exceeds that without the floor. Moreover, Earthquakes input along the principal axis can realize the structure performance objective of "strong column weak beam". Considering the influence of floor, when the value of axial compression ratio is higher than 0.56 or moment magnifying factors with the floor increases above 2.0, the frame structure under oblique seismic action can form the "strong column-weak beam" yield mechanism. Under oblique seismic action, the spatial RC frame structure model with cast-in-site floor is more appropriate to consider the spatial aseismic mechanism of structural system.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-08-19;改回日期:2016-12-07。
基金项目:国家自然科学基金项目(51578228);国家重点研发计划专项项目(2016YFC0701400)
作者简介:张望喜(1971-),男,副教授,博士,主要从事结构基本理论、结构抗震与空间性能研究.E-mail:wxizhang2000@hnu.edu.cn
更新日期/Last Update: 1900-01-01